Seven ways … to avoid eyestrain

These days, if we’re not staring at our smartphones, we’re sitting in front of computers. And more than half of office workers have reported the symptoms of eyestrain. How do you protect yourself?

Tech bosses limit their kids’ time on smartphones: why shouldn’t we?

Parents focus on harmful content, but limiting the time teenagers spend on mobile phones is imperative, writes author and academic Jean Twenge

Kitchen gadget review: Lucky Iron Fish – I call this health tool Ozzy Ozbream

Add one of these heavy metal nuggets to your cooking water to suffuse the liquid with enough iron to stave off anaemia – and you can help the world’s poor at the same time

Antisocial media: why I decided to cut back on Facebook and Instagram

Only when I tried to quit social networks did I realise how addictive and enveloping they are designed to be. Now I am convinced we are heading for a public health crisis

The appliance of science: hope and fear in tomorrow’s world

As advances in gene editing, energy and AI gain momentum, Jim Al-Khalili predicts their impact on our future

Slashing queues, helping new mothers: NHS explores apps for care in a digital age

Doctors, tech experts and scientists tested new ideas at a health ‘hackathon’ – now a fund aims to back the best with cash

Humans 2.0: meet the entrepreneur who wants to put a chip in your brain

Bryan Johnson’s company, Kernel, aims to improve mental function and treat disorders by creating a brain interface

Tech revolution is coming to healthcare – GPs must be part of it

Smartphones offer an opportunity to get information into the hands of those who need it most; complaining from the sidelines is futile

The 40 best gadgets of 2017

The definitive list of tech and luxury items to have in your pocket, in your home and parked outside

Seeing a GP on a smartphone sounds wonderful – but it’s not

The new GP in Hand app fails to provide equality of access and undermines practice revenues